The World's Most Trusted Android Optimizer, Speed Booster and Free Anti-Virus app, Clean Master Helps Accelerate and Clean Up Over 600 Million Phones! It Also Provides Real-time Protection With the #1 Antivirus Engine, and Secures Your Private Data With the AppLock Function.

Have you ever encounter the following problems?

Your device has become laggy and freezes all the time

You don't have enough space to take more pictures or install apps

Your battery has started draining quicker than ever

Your device overheats and needs to cool down

You want to lock your photos, gallery and messages from prying eyes and nosy friends

Features

â–º AppLock

AppLock can lock Facebook, SMS, Contacts, Gallery, or any other apps you choose. With AppLock, only you can see the photos you protect. Guarding your privacy is easier than ever!

â–º Duplicate Photo Remover

Clean Master can identify similar photos & blurry photos automatically, giving you the choice to keep or delete them. It's just like a gallery doctor for your device.

â–º JUNK FILE CLEANING

The junk-creating behavior of millions of apps has been analyzed so that Clean Master can efficiently hone in on its targets (cache and residual files) with perfect accuracy. Delete cache and residual files to reclaim storage, boost speed and improve the performance of your device and SD card.

â–º MEMORY BOOST

Boost your games and apps, free up memory (RAM), speed up your device and save more battery. Our 1 Tap Boost and Game Boost features make it easy to optimize directly from your homescreen.

â–º CPU COOLER

Cool off your device by finding and stopping the apps that are causing it to overheat and make your battery last longer!

â–º ANTIVIRUS

Ranked #1 by AV-TEST for the seventh time! A professional quality antivirus service scans devices in just 8 seconds, 500% faster than other paid antivirus apps. Scan the system, pre-installed and user-installed apps to keep your device safe from viruses, trojans, vulnerabilities, adware and spyware. Keep your privacy safe by scrubbing personal info from your device.

â–º Game Booster

Automatically improve your game speeds by 30%+ when launching games.

â–º Autostart Manager

Prevent apps from autostarting to speed up your device. (Root needed for this feature)

â–º APP MANAGER

Uninstall unwanted apps or bloatware and back up important ones. Some rooted devices will be able to move apps to the SD card as well as uninstall pre-installed and system apps. Our own Picks section lets you find useful apps that match your interests.